Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Species Metallus lanceolatus

leaf mine - Metallus lanceolatus leaf mine larva - Metallus lanceolatus blotch mine of Geum macrophyllum - Metallus lanceolatus Tenthredinidae, upper side of leaf - Metallus lanceolatus Tenthredinidae, under side of leaf - Metallus lanceolatus Tenthredinidae, larva - Metallus lanceolatus Tenthredinidae on Avens - Metallus lanceolatus Leaf mines - Metallus lanceolatus
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Tenthredinidae (Common Sawflies)
Subfamily Heterarthrinae
Tribe Fenusini
Genus Metallus
Species lanceolatus (Metallus lanceolatus)
Synonyms and other taxonomic changes
Metallus bensoni Smith 1971, Metallus gei (Brischke 1883)
Explanation of Names
Metallus lanceolatus (Thomson 1870)
♀ 3.5-4.5 mm(1)(2)
native to Europe(2), adventive in our area and now found across n. NA
Larvae mine in leaves of avens (Geum, Rosaceae)(3)
earliest NA record: BC 1936(1)
Print References
Eiseman, C. S., & Smith, D. R. (2017). Nearctic Species of Metallus Forbes (Hymenoptera: Tenthredinidae): Biology and Distribution. Proceedings of the Entomological Society of Washington, 119(4), 551-565.
Internet References
Species pages: Ellis (2007) (Europe)(3) | Edmunds (2007) (UK)(4) | Pitkin et al. (2007-) (UK)(5)